CN101665612A - Special type phenolic molding compound and preparation method thereof - Google Patents
Special type phenolic molding compound and preparation method thereof Download PDFInfo
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- CN101665612A CN101665612A CN200910196294A CN200910196294A CN101665612A CN 101665612 A CN101665612 A CN 101665612A CN 200910196294 A CN200910196294 A CN 200910196294A CN 200910196294 A CN200910196294 A CN 200910196294A CN 101665612 A CN101665612 A CN 101665612A
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Abstract
The invention provides a special type phenolic molding compound which comprises the following components by weight percent: (1) 10-40% of phenolic resin; (2) 2-8% of curing agent; (3) 1-5% of curing accelerator; (4) 20-55% of reinforcing agent; (5) 5-20% of anti-expanding agent; (6) 5-20% of anti-softener; (7) 1-8% of lubricating agent; and (8) 0.1-5% of coloring agent. The invention also discloses a method for preparing the special type phenolic molding compound. The special type phenolic molding compound is used for replacing steel or aluminium alloy material, and can be taken as the material for manufacturing brake pistons of automobiles and motorcycles, without expanding or softening.
Description
Technical field
The present invention relates to a kind of special engineering plastics and preparation method thereof, phenolaldehyde moulding compound of particularly a kind of alternative iron and steel or aluminium alloy and preparation method thereof.
Background technology
China is a populous nation, is a huge consumption market therefore.Along with development of Chinese economy, the raising of living standards of the people, the height prosperity of logistics and the megatrend of cars ' entry into family, automobile has become one of mainstay industry of Chinese national economy.Automaker both domestic and external seizes Chinese market one after another, and the automobile industry of China is flourish at present, and consumption increases also very fast.Because Nonrenewable resources such as oil, Sweet natural gas are more and more rare, therefore for save energy, automobile is developing to the lightweight direction, and wants the automobile weight reduction, replace iron and steel or other metal to make some component of automobile with plastics, one of the good method of can yet be regarded as.
Along with the progress of plastics industry, the car light of automobile, electrical equipment, compartment and inside gadget thereof etc. have been the plastics series products.Some component of automobile, motorcycle engine are also towards using engineering plastics, thermoset engineering plastics particularly, the direction of making develops, as phenoplast be used in belt pulley, carburettor, water pump, oil pump, carbon brush holder, vapor pipe etc. require heat-resisting good, intensity is high, the component of dimensional stabilizing; Unsaturated polyester plastic has been used in distributor cap, lighter for ignition etc. and has required heat-resisting good, component that electrical insulating property is good.And the piston of automobile, motorcycle engine is mainly still made with iron and steel or aluminium alloy at present.The material that alternative metals is made piston is required to have dimensional stabilizing, do not expand, not softening, heat-resisting, oil resistant, higher intensity and hardness etc.
Summary of the invention
Technical problem to be solved by this invention provides a kind of special type phenolic molding compound, is used for substituting iron and steel or aluminum alloy materials, and can not expand, not soften as the material of making automobile, motorcycle brake piston; The preparation method of special type phenolic molding compound is disclosed simultaneously.
In order to address the above problem, technical scheme of the present invention is such:
A kind of special type phenolic molding compound is characterized in that, comprises following component:
(1) resol, content are 10～40%;
(2) solidifying agent, content are 2～8%;
(3) curing catalyst, content are 1～5%;
(4) toughener, content are 20～55%;
(5) anti-swelling agent, content is 5～20%;
(6) anti-tenderizer, content is 5～20%;
(7) lubricant, content are 1～8%;
(8) tinting material, content are 0.1～5%.
Described resol is a kind of or its combination in novolac resin, the heat-reactive phenolic resin.
Described solidifying agent is vulkacit H, triethylamine, Paraformaldehyde 96, trimethylol melamine, many methylol dicyandiamides, imidazoles, in toluene yellow acid, boric acid, the phosphoric acid one or more.
Described curing catalyst is one or more in magnesium oxide, zinc oxide, calcium oxide, the calcium hydroxide.
Described toughener is one or more in glass fibre, basalt fibre, boron fibre, sapphire whisker, the steel fiber.
Described anti-swelling agent is one or both in antimonous oxide, the antimony peroxide.
Described anti-tenderizer is one or more in aluminium nitride, silicon carbide, the diamond.
Described lubricant is one or more in stearic acid, calcium stearate, Zinic stearas, ethylene list stearylamide, ethylene bis stearamide, polyethylene wax, the polyoxyethylene glycol.
Described tinting material is one or more in carbon black, iron oxide green, iron oxide yellow, red iron oxide, the iron oxide brown.
A kind of preparation method of special type phenolic molding compound, it is characterized in that: with resol, solidifying agent, curing catalyst, toughener, anti-swelling agent, anti-tenderizer, lubricant, that tinting material is put into open type plastic purificating set is mixing, 90～110 ℃ of the operation roller temperature of described open type plastic purificating set; 140～150 ℃ of heating roller temperatures; Roller spacing 3～4mm; Mixing time 5～6 minutes.
A kind of preparation method of special type phenolic molding compound, it is characterized in that: resol, solidifying agent, curing catalyst, toughener, anti-swelling agent, anti-tenderizer, lubricant, tinting material are put into forcing machine and extruded, 80～100 ℃ of the barrel temperatures of described forcing machine; 110～120 ℃ of die temperatures; Extrusion is 3～5 minutes.
Described forcing machine is a single screw extrusion machine.
Described forcing machine is a twin screw extruder.
The invention has the beneficial effects as follows provides a kind of special type phenolic molding compound, do not expand, not softening, heat-resisting, oil resistant, have higher intensity and hardness, be used for substituting iron and steel or aluminum alloy materials, and can satisfy the mechanical strength of automobile, motorcycle brake piston material and the requirement of resistance toheat, avoid because of the stuck danger that can't brake of piston material and the softening danger that can't in time brake of piston; The invention discloses the preparation method of special type phenolic molding compound simultaneously.
Embodiment
In order to make technique means of the present invention, creation characteristic, to reach purpose and effect is easy to understand, further set forth the present invention.
A kind of special type phenolic molding compound comprises following component: (1) resol, and content is 10～40%; (2) solidifying agent, content are 2～8%; (3) curing catalyst, content are 1～5%; (4) toughener, content are 20～55%; (5) anti-swelling agent, content is 5～20%; (6) anti-tenderizer, content is 5～20%; (7) lubricant, content are 1～8%; (8) tinting material, content are 0.1～5%.
Described resol is a kind of or its combination in novolac resin, the heat-reactive phenolic resin; Novolac resin has bigger molecular weight, and Mn is 700～900, and has lower free monomer content, and free phenol content is lower than 1%; And the heat-reactive phenolic resin that adopts has moderate molecular weight, and Mn is 500～700, and has higher free monomer content, and free phenol content is 5～8%.Such resol can guarantee every performance of material, and is very easy to other component of dipping, thorough mixing.
Described solidifying agent is vulkacit H, triethylamine, Paraformaldehyde 96, trimethylol melamine, many methylol dicyandiamides, imidazoles, in toluene yellow acid, boric acid, the phosphoric acid one or more; Described curing catalyst is one or more in magnesium oxide, zinc oxide, calcium oxide, the calcium hydroxide.
Described toughener is one or more in glass fibre, basalt fibre, boron fibre, sapphire whisker, the steel fiber; Satisfy a kind of special type phenolic molding compound of the present invention as the mechanical strength of Braking piston material and the requirement of resistance toheat.
Described anti-swelling agent is one or both in antimonous oxide, the antimony peroxide; Satisfy the dimensional stability of a kind of special type phenolic molding compound of the present invention as the Braking piston material, particularly in order to guarantee in hot and/or oily environment, the external diameter of Braking piston does not expand, and guarantees that traveling automobile the time can not occur because of the Braking piston stuck danger that can't brake of guaranteeing of expanding in brake.
Described anti-tenderizer is one or more in aluminium nitride, silicon carbide, the diamond; Use anti-tenderizer to guarantee in hot and/or oily environment, surface as a kind of special type phenolic molding compound of the present invention of Braking piston material is softening, be that surface hardness does not reduce, guarantee that traveling automobile can not occur because of the softening danger that can't in time brake in Braking piston surface when brake.
Described lubricant is one or more in stearic acid, calcium stearate, Zinic stearas, ethylene list stearylamide, ethylene bis stearamide, polyethylene wax, the polyoxyethylene glycol; Described tinting material is one or more in carbon black, iron oxide green, iron oxide yellow, red iron oxide, the iron oxide brown.
A kind of preparation method of special type phenolic molding compound: with resol, solidifying agent, curing catalyst, toughener, anti-swelling agent, anti-tenderizer, lubricant, that tinting material is put into open type plastic purificating set is mixing, 90～110 ℃ of the operation roller temperature of described open type plastic purificating set; 140～150 ℃ of heating roller temperatures; Roller spacing 3～4mm; Mixing time 5～6 minutes.
Perhaps, a kind of preparation method of special type phenolic molding compound puts into resol, solidifying agent, curing catalyst, toughener, anti-swelling agent, anti-tenderizer, lubricant, tinting material forcing machine and extrudes, 80～100 ℃ of the barrel temperatures of described forcing machine; 110～120 ℃ of die temperatures; Extrusion is 3～5 minutes.Described forcing machine is single screw extrusion machine or twin screw extruder.
Of the present invention a kind of special type phenolic molding compound that preparation method by special type phenolic molding compound prepares, compression moulding is Braking piston, and carries out the piston performance test.The specification of Braking piston is external diameter 66mm, internal diameter 36mm, height 52mm.The compression moulding condition of Braking piston is: 175～185 ℃ of die temperatures, compacting pressure 60～80MPa, 15～20 seconds dwell times.The technical requirements of Braking piston is: compressive strength is not less than 200MPa, and warm air and/or deep fat dimensional change must not expand, and warm air and/or deep fat hardness must not reduce.
Warm air and/or deep fat dimensional change are that Braking piston is warmed up to 200 ℃ from normal temperature and cools to room temperature again, the velocity of variation of its external diameter in air and/or oil.Positive number represents that external diameter expands, and the negative number representation external diameter shrinks.
Warm air and/or deep fat hardness are that Braking piston is warmed up to 200 ℃ from normal temperature and cools to room temperature again, the variation number of its surface hardness in air and/or oil.Positive number represents that hardness increases, and negative number representation hardness reduces.
Embodiment 1～5th in the table 1 obtains a kind of special type phenolic molding compound of the present invention by open type plastic purificating set is mixing.The mixing operation roller temperature of described open type plastic purificating set is 95 ℃, and heating roller temperature is 145 ℃, and the roller spacing is 3mm, mixing time 5 minutes.
Table 1
Embodiment 6～8th in the table 2 extrudes by single screw extrusion machine and to obtain a kind of special type phenolic molding compound of the present invention; And embodiment 9～10th extrudes by twin screw extruder and to obtain a kind of special type phenolic molding compound of the present invention.90 ℃ of barrel temperatures when single screw rod or twin screw extruder are extruded, 115 ℃ of die temperatures, material be 4 minutes residence time in barrel.
Table 2
Table 3 is comparisons of embodiment 3 and embodiment 11～13.Embodiment 11～13rd, obtain a kind of special type phenolic molding compound of the present invention by open type plastic purificating set is mixing.The mixing operation roller temperature of described open type plastic purificating set is 95 ℃, and heating roller temperature is 145 ℃, and the roller spacing is 3mm, mixing time 5 minutes.
Table 3
Show in the table 3 that under equal conditions, if do not adopt anti-swelling agent, a kind of special type phenolic molding compound of the present invention can expand as the external diameter of Braking piston in hot and/or oily environment of material so; If do not adopt anti-tenderizer, a kind of special type phenolic molding compound of the present invention can soften as the surface of Braking piston in hot and/or oily environment of material so.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (13)
1, a kind of special type phenolic molding compound is characterized in that, comprises following component:
(1) resol, content are 10～40%;
(2) solidifying agent, content are 2～8%;
(3) curing catalyst, content are 1～5%;
(4) toughener, content are 20～55%;
(5) anti-swelling agent, content is 5～20%;
(6) anti-tenderizer, content is 5～20%;
(7) lubricant, content are 1～8%;
(8) tinting material, content are 0.1～5%.
2, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described resol is a kind of or its combination in novolac resin, the heat-reactive phenolic resin.
3, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described solidifying agent is vulkacit H, triethylamine, Paraformaldehyde 96, trimethylol melamine, many methylol dicyandiamides, imidazoles, in toluene yellow acid, boric acid, the phosphoric acid one or more.
4, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described curing catalyst is one or more in magnesium oxide, zinc oxide, calcium oxide, the calcium hydroxide.
5, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described toughener is one or more in glass fibre, basalt fibre, boron fibre, sapphire whisker, the steel fiber.
6, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described anti-swelling agent is one or both in antimonous oxide, the antimony peroxide.
7, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described anti-tenderizer is one or more in aluminium nitride, silicon carbide, the diamond.
8, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described lubricant is one or more in stearic acid, calcium stearate, Zinic stearas, ethylene list stearylamide, ethylene bis stearamide, polyethylene wax, the polyoxyethylene glycol.
9, a kind of special type phenolic molding compound according to claim 1 is characterized in that: described tinting material is one or more in carbon black, iron oxide green, iron oxide yellow, red iron oxide, the iron oxide brown.
10, the preparation method of a kind of special type phenolic molding compound of claim 1, it is characterized in that: with resol, solidifying agent, curing catalyst, toughener, anti-swelling agent, anti-tenderizer, lubricant, that tinting material is put into open type plastic purificating set is mixing, 90～110 ℃ of the operation roller temperature of described open type plastic purificating set; 140～150 ℃ of heating roller temperatures; Roller spacing 3～4mm; Mixing time 5～6 minutes.
11, the preparation method of a kind of special type phenolic molding compound of claim 1, it is characterized in that: resol, solidifying agent, curing catalyst, toughener, anti-swelling agent, anti-tenderizer, lubricant, tinting material are put into forcing machine and extruded, 80～100 ℃ of the barrel temperatures of described forcing machine; 110～120 ℃ of die temperatures; Extrusion is 3～5 minutes.
12, the preparation method of a kind of special type phenolic molding compound according to claim 11 is characterized in that: described forcing machine is a single screw extrusion machine.
13, the preparation method of a kind of special type phenolic molding compound according to claim 11 is characterized in that: described forcing machine is a twin screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101962949A CN101665612B (en) | 2009-09-24 | 2009-09-24 | Special type phenolic molding plastic for manufacturing automobile, motor brake piston material and preparation method thereof |
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| CN2009101962949A CN101665612B (en) | 2009-09-24 | 2009-09-24 | Special type phenolic molding plastic for manufacturing automobile, motor brake piston material and preparation method thereof |
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| CN101665612A true CN101665612A (en) | 2010-03-10 |
| CN101665612B CN101665612B (en) | 2011-11-30 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974199A (en) * | 2010-10-14 | 2011-02-16 | 常熟东南塑料有限公司 | Low-shrinkage phenolic moulding compound |
| CN102796492A (en) * | 2012-08-24 | 2012-11-28 | 董雪 | Preparation method of friction material for vehicle brake |
| CN103254564A (en) * | 2013-05-09 | 2013-08-21 | 常熟市亚美模特儿衣架有限公司 | Preparation method of aryl phosphate flame-retardant phenolic moulding plastic |
| CN103319847A (en) * | 2013-05-09 | 2013-09-25 | 常熟市亚美模特儿衣架有限公司 | Aryl phosphate fire retardation phenol formaldehyde molding material |
| CN103665945A (en) * | 2013-11-04 | 2014-03-26 | 铜陵市镜铁粉厂 | Granular iron oxide green |
| CN105542281A (en) * | 2016-01-23 | 2016-05-04 | 中山聚昌自动化设备科技有限公司 | Antitheft lock with misoperation preventing function |
| CN105802121A (en) * | 2016-03-25 | 2016-07-27 | 苏州莱特复合材料有限公司 | Composite for manufacturing bar of draw-bar box and preparation method of composite |
| CN105924898A (en) * | 2016-07-13 | 2016-09-07 | 芜湖恒固混凝土材料有限公司 | Plastic used for concrete stirring tanks, and preparation method thereof |
| CN106117963A (en) * | 2016-07-13 | 2016-11-16 | 芜湖恒固混凝土材料有限公司 | A kind of concrete drums plastics and preparation method thereof |
| CN106147122A (en) * | 2016-07-13 | 2016-11-23 | 芜湖恒固混凝土材料有限公司 | A kind of concrete drums plastics and preparation method thereof |
| CN106928419A (en) * | 2017-03-10 | 2017-07-07 | 浙江越拓新材料科技有限公司 | Tungsten dioxide phenol-formaldehyde resin modified and the resin, phenolaldehyde moulding compound and a kind of preparation method of switch cover |
| CN107141709A (en) * | 2017-06-22 | 2017-09-08 | 江苏科华新材料有限公司 | A kind of composite modified motor phenolaldehyde moulding compound and preparation method thereof |
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2009
- 2009-09-24 CN CN2009101962949A patent/CN101665612B/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974199A (en) * | 2010-10-14 | 2011-02-16 | 常熟东南塑料有限公司 | Low-shrinkage phenolic moulding compound |
| CN102796492A (en) * | 2012-08-24 | 2012-11-28 | 董雪 | Preparation method of friction material for vehicle brake |
| CN102796492B (en) * | 2012-08-24 | 2014-03-12 | 朱育盼 | Preparation method of friction material for vehicle brake |
| CN103254564A (en) * | 2013-05-09 | 2013-08-21 | 常熟市亚美模特儿衣架有限公司 | Preparation method of aryl phosphate flame-retardant phenolic moulding plastic |
| CN103319847A (en) * | 2013-05-09 | 2013-09-25 | 常熟市亚美模特儿衣架有限公司 | Aryl phosphate fire retardation phenol formaldehyde molding material |
| CN103665945B (en) * | 2013-11-04 | 2016-06-15 | 安徽纽亚达科技有限责任公司 | A kind of Granular iron oxide green |
| CN103665945A (en) * | 2013-11-04 | 2014-03-26 | 铜陵市镜铁粉厂 | Granular iron oxide green |
| CN105542281A (en) * | 2016-01-23 | 2016-05-04 | 中山聚昌自动化设备科技有限公司 | Antitheft lock with misoperation preventing function |
| CN105802121A (en) * | 2016-03-25 | 2016-07-27 | 苏州莱特复合材料有限公司 | Composite for manufacturing bar of draw-bar box and preparation method of composite |
| CN105924898A (en) * | 2016-07-13 | 2016-09-07 | 芜湖恒固混凝土材料有限公司 | Plastic used for concrete stirring tanks, and preparation method thereof |
| CN106117963A (en) * | 2016-07-13 | 2016-11-16 | 芜湖恒固混凝土材料有限公司 | A kind of concrete drums plastics and preparation method thereof |
| CN106147122A (en) * | 2016-07-13 | 2016-11-23 | 芜湖恒固混凝土材料有限公司 | A kind of concrete drums plastics and preparation method thereof |
| CN106928419A (en) * | 2017-03-10 | 2017-07-07 | 浙江越拓新材料科技有限公司 | Tungsten dioxide phenol-formaldehyde resin modified and the resin, phenolaldehyde moulding compound and a kind of preparation method of switch cover |
| CN107141709A (en) * | 2017-06-22 | 2017-09-08 | 江苏科华新材料有限公司 | A kind of composite modified motor phenolaldehyde moulding compound and preparation method thereof |
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| CN101665612B (en) | 2011-11-30 |
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